[PATCH v2 4/5] KVM: s390: vsie: Always test the crycbd for NULL

Pierre Morel
2018-08-22T16:51:56Z

BUG: the crycbd must be tested for null even if
not crossing a page boundary (which will never
occur in this case anyway).

Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
---
arch/s390/kvm/vsie.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
index 0b12916..7ee4329 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -172,7 +172,7 @@ static int shadow_crycb(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)

if ((crycb_addr & PAGE_MASK) != ((crycb_addr + 128) & PAGE_MASK))
return set_validity_icpt(scb_s, 0x003CU);
- else if (!crycb_addr)
+ if (!crycb_addr)
return set_validity_icpt(scb_s, 0x0039U);

/* copy only the wrapping keys */
--
2.7.4